Sam is a calico cat NPC tied to the Hazmat Team slime event in Animal Hospital; after clearing that event, you can bring Sam onto your hospital team to help clean slime and handle some hazards during later shifts.
If you are looking for the calico cat in the hazmat suit, you are looking for Sam. Sam is not an anomaly or a class shop purchase; they are an event-linked NPC added with the Hazmat Team Arrives slime update.
Sam quick facts in Animal Hospital
| Fact | Details |
|---|---|
| Species | Calico Cat |
| Role | NPC helper connected to Animal Corp. Hazma work |
| Event link | Hazmat Team Arrives slime event |
| Anomaly status | Not an Anomaly |
| Main function | Cleans slime contamination during later shifts |
Sam shows up around the hospital’s slime storyline and becomes relevant only after that event has played out. Their main value is simple: when slime becomes a problem again, Sam can take some cleanup pressure off you.
When Sam becomes available
Sam becomes available after the hospital reaches the Hazmat Team slime event. This is the special sequence where the building gets covered in green slime and the Hazmat workers arrive to deal with the contamination.
The exact timing is a little uneven in current player notes. Some runs place the Hazmat event around Shift 11 and Sam’s visit on Shift 12, while other current notes describe the event window as roughly Shift 11 to Shift 17. The practical rule is to keep progressing shifts until the slime event triggers, then clear it fully.
How to unlock and hire Sam
Reach the Hazmat slime event
Keep playing shifts until the Hazmat Team sequence starts and slime spreads through the hospital.
Complete the slime cleanup phase
Survive the event and let the slime contamination get cleared from the hospital.
Wait for Sam afterward
After the event, watch for Sam to appear at or near the reception area in a hazmat suit.
Accept Sam’s offer
If the hiring prompt appears, agree to bring Sam onto the hospital team; several player notes put the cost at $250, though some runs present Sam more like an event helper than a normal paid hire.
What Sam does after you hire them
| Task | What Sam does |
|---|---|
| Slime cleanup | Removes slime contamination when slime appears in the hospital. |
| Busy later shifts | Reduces the amount of manual cleanup you need to handle while other problems stack up. |
| Hazard support | May help with certain hazards during Sam’s active period, depending on the run. |
| Hider anomalies | Some players see Sam help clean up Hider-related problems, but this is less consistent than slime cleanup. |
| Fires | Some notes mention fire help, but that overlaps with the separate Firefighter role and should not be treated as Sam’s main purpose. |
| No slime present | Sam may leave or stop working until slime contamination appears again. |
KEY!Sam’s most reliable job is slime cleanup. When slime appears again, Sam helps remove it so you can spend more attention on patients, diagnosis, treatment, and anomaly checks instead of chasing every patch yourself.
Sam does not behave like a full-time worker who stands around doing general hospital chores forever. When there is no slime active, Sam may leave or become inactive, then become useful again when slime returns.
Hire Sam after the slime event if cleanup is slowing your shifts down; if you can already handle slime patches comfortably, save the coins until you actually need the help.
Is Sam worth hiring?
Sam is worth hiring if slime-heavy shifts are making your hospital hard to manage. The best use case is when cleanup, patients, and anomaly pressure are all happening at once, because Sam takes one repetitive job off your hands.
Sam mistakes to avoid
Do not look for Sam in the class shop. Sam is an NPC, not a class purchase, and the unlock is tied to the Hazmat/slime event rather than a normal role menu.
Do not expect Sam before the slime event has happened, and do not mix Sam up with the Firefighter class. Sam’s identity is the calico cat hazmat helper; their strongest job is slime cleanup, not replacing every emergency role in the hospital.
Frequently Asked Questions
What shift does Sam appear in Animal Hospital?
Sam usually appears after the Hazmat slime event. Many players encounter that event around Shift 11 and then see Sam around Shift 12, but the broader event window can stretch into later shifts.
How much does Sam cost to hire?
The commonly listed hire price is $250. If your run presents Sam without a standard payment screen, follow the on-screen prompt after the slime event.
Is Sam a class or an NPC?
Sam is an NPC. They are the calico cat in the hazmat suit, not a playable class or a separate class-shop upgrade.
Does Sam stay in the hospital forever?
Sam should not be treated as an always-on permanent worker. Their usefulness is tied to slime activity, so they may disappear or stop helping when there is no slime to clean.
Is Sam worth hiring?
Yes, if slime cleanup is costing you time during busy shifts. If you are comfortable handling slime yourself and need to conserve money, Sam can wait.
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